Changeset 791 for pjproject/branches/symbian/pjlib/src/pj/addr_resolv_symbian.cpp

Timestamp:

Nov 1, 2006 1:57:01 PM (17 years ago)

Author:

bennylp

Message:

Ported all projects (except pjmedia-codec) on Symbian. PJMEDIA's sound device is still in progress

File:

• pjproject/branches/symbian/pjlib/src/pj/addr_resolv_symbian.cpp (modified) (2 diffs)

pjproject/branches/symbian/pjlib/src/pj/addr_resolv_symbian.cpp

@@ -20 +20 @@
 #include <pj/assert.h>
 #include <pj/errno.h>
+#include <pj/string.h>
 #include <pj/unicode.h>
 
@@ -78 +79 @@
 }
 
+
+/* Resolve the IP address of local machine */
+pj_status_t pj_gethostip(pj_in_addr *addr)
+{
+    const pj_str_t *hostname = pj_gethostname();
+    struct pj_hostent he;
+    pj_str_t cp;
+    pj_in_addr loopip;
+    pj_status_t status;
+
+    cp = pj_str("127.0.0.1");
+    loopip = pj_inet_addr(&cp);
+
+    /* Try with resolving local hostname first */
+    status = pj_gethostbyname(hostname, &he);
+    if (status == PJ_SUCCESS) {
+        *addr = *(pj_in_addr*)he.h_addr;
+    }
+
+
+    /* If we end up with 127.0.0.1 or 0.0.0.0, resolve the IP by getting 
+     * the default interface to connect to some public host.
+     */
+    if (status!=PJ_SUCCESS || addr->s_addr == loopip.s_addr || !addr->s_addr) {
+        pj_sock_t fd;
+        pj_sockaddr_in a;
+        int len;
+
+        status = pj_sock_socket(PJ_AF_INET, PJ_SOCK_DGRAM, 0, &fd);
+        if (status != PJ_SUCCESS) {
+            return status;
+        }
+
+        cp = pj_str("1.1.1.1");
+        pj_sockaddr_in_init(&a, &cp, 53);
+
+        status = pj_sock_connect(fd, &a, sizeof(a));
+        if (status != PJ_SUCCESS) {
+            pj_sock_close(fd);
+            return status;
+        }
+
+        len = sizeof(a);
+        status = pj_sock_getsockname(fd, &a, &len);
+        if (status != PJ_SUCCESS) {
+            pj_sock_close(fd);
+            return status;
+        }
+
+        pj_sock_close(fd);
+        
+        *addr = a.sin_addr;
+
+        if (a.sin_addr.s_addr == 0)
+            return PJ_ENOTFOUND;
+    }
+
+    return status;
+}
+
+
+